<template>
  <el-form size="small">
    <el-form-item>
      <el-radio v-model='radioValue' :label="1">
        日，允许的通配符[, - * / L M]
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="2">
        不指定
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="3">
        周期从
        <el-input-number v-model='cycle01' :min="0" :max="31"/>
        -
        <el-input-number v-model='cycle02' :min="0" :max="31"/>
        日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="4">
        从
        <el-input-number v-model='average01' :min="0" :max="31"/>
        号开始，每
        <el-input-number v-model='average02' :min="0" :max="31"/>
        日执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="5">
        每月
        <el-input-number v-model='workday' :min="0" :max="31"/>
        号最近的那个工作日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="6">
        本月最后一天
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model='radioValue' :label="7">
        指定
        <el-select clearable v-model="checkboxList" placeholder="可多选" multiple style="width:100%">
          <el-option v-for="item in 31" :key="item" :value="item">{{ item }}</el-option>
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>

<script>
export default {
  data() {
    return {
      radioValue: 1,
      workday: 1,
      cycle01: 1,
      cycle02: 2,
      average01: 1,
      average02: 1,
      checkboxList: [],
      checkNum: this.$options.propsData.check
    }
  },
  name: 'crontab-day',
  props: ['check', 'cron'],
  methods: {
    // 单选按钮值变化时
    radioChange() {
      ('day rachange')
      if (this.radioValue === 1) {
        this.$emit('update', 'day', '*', 'day')
        this.$emit('update', 'week', '?', 'day')
        this.$emit('update', 'month', '*', 'day')
      } else {
        if (this.cron.hour === '*') {
          this.$emit('update', 'hour', '0', 'day')
        }
        if (this.cron.min === '*') {
          this.$emit('update', 'min', '0', 'day')
        }
        if (this.cron.second === '*') {
          this.$emit('update', 'second', '0', 'day')
        }
      }

      switch (this.radioValue) {
        case 2:
          this.$emit('update', 'day', '?')
          break
        case 3:
          this.$emit('update', 'day', this.cycle01 + '-' + this.cycle02)
          break
        case 4:
          this.$emit('update', 'day', this.average01 + '/' + this.average02)
          break
        case 5:
          this.$emit('update', 'day', this.workday + 'W')
          break
        case 6:
          this.$emit('update', 'day', 'L')
          break
        case 7:
          this.$emit('update', 'day', this.checkboxString)
          break
      }
      ('day rachange end')
    },
    // 周期两个值变化时
    cycleChange() {
      if (this.radioValue == '3') {
        this.$emit('update', 'day', this.cycleTotal)
      }
    },
    // 平均两个值变化时
    averageChange() {
      if (this.radioValue == '4') {
        this.$emit('update', 'day', this.averageTotal)
      }
    },
    // 最近工作日值变化时
    workdayChange() {
      if (this.radioValue == '5') {
        this.$emit('update', 'day', this.workday + 'W')
      }
    },
    // checkbox值变化时
    checkboxChange() {
      if (this.radioValue == '7') {
        this.$emit('update', 'day', this.checkboxString)
      }
    },
    // 父组件传递的week发生变化触发
    weekChange() {
      //判断week值与day不能同时为“?”
      if (this.cron.week == '?' && this.radioValue == '2') {
        this.radioValue = '1'
      } else if (this.cron.week !== '?' && this.radioValue != '2') {
        this.radioValue = '2'
      }
    }
  },
  watch: {
    "radioValue": "radioChange",
    'cycleTotal': 'cycleChange',
    'averageTotal': 'averageChange',
    'workdayCheck': 'workdayChange',
    'checkboxString': 'checkboxChange'
  },
  computed: {
    // 计算两个周期值
    cycleTotal: function () {
      this.cycle01 = this.checkNum(this.cycle01, 1, 31)
      this.cycle02 = this.checkNum(this.cycle02, 1, 31)
      return this.cycle01 + '-' + this.cycle02
    },
    // 计算平均用到的值
    averageTotal: function () {
      this.average01 = this.checkNum(this.average01, 1, 31)
      this.average02 = this.checkNum(this.average02, 1, 31)
      return this.average01 + '/' + this.average02
    },
    // 计算工作日格式
    workdayCheck: function () {
      this.workday = this.checkNum(this.workday, 1, 31)
      return this.workday
    },
    // 计算勾选的checkbox值合集
    checkboxString: function () {
      let str = this.checkboxList.join()
      return str == '' ? '*' : str
    }
  }
}
</script>
